Hackers are exploiting a security flaw in Microsoft PowerPoint to attack computer systems
Fortunately, the attack requires user interaction the attack requires user interaction, so you would have to consent to open the file containing an infected OLE object. So if you tried to download a PowerPoint file from the web, a display prompt would ask for download permission. Consent prompts are fairly common, however, so users might not even realize they're granting permission to an infected file.
As for now, Microsoft suggests users avoid opening any PowerPoint files from an untrusted source.
Zero exploits are one of the most destructive way for hackers to gain access to computers and smart devices.